PROXA Integrated Water and Effluent Solutions for the Mining and Resources Industry

PROXA provides integrated water treatment solutions to the mining sector, with a focus on minimising environmental impact, rapid deployment, flexibility, reducing risk and optimising costs. Our AQUAMOBILE units are designed for rapid shipment and reduced on-site works, for temporary or emergency needs, whereas our AQUAMODULAR range consists of customised modular systems for ease of expansion or phasing constraints. PROXA offers water solutions ranging from engineering, design and supply, commissioning, operations and maintenance to consumables supply.

AQUAMOBILE standard emergency mine water treatment units

Our pre-engineered AQUAMOBILE design enables rapid deployment, which requires minimum on-site activities and infrastructure. Our fleet can treat feed waters from contaminated mine water to various effluents and brackish water. AQUAMOBILE water treatment units can be configured to produce different product qualities ranging from river discharge to potable water, to boiler feed water. Mines benefit from solutions with: reduced risk, reduced lifecycle cost, reduced delivery and implementation time.

Modular and customised mine water treatment

PROXA’s AQUAMODULAR treatment plants use standard equipment, pre-engineered and pre-commissioned systems with proven performance. Benefits include reduced delivery time, site works and total cost of ownership. AQUAMODULAR is recommended for longer term solutions where flexibility in terms of capacity and feed water quality is required. Modularity and pre-engineering also allow for future or phased plant expansion. In case of feed water quality change, pre-treatment can be supplemented by other processes.The customised combination of pre-engineered AQUAMODULAR units delivers robust performance at a competitive cost (compared to custom-built plants). The construction of the units is completed prior to delivery, hence on-site work is minimised with little or no disruption to your existing facilities or processes.

AQUAMODULAR allows the process to evolve with the use of additional pre- and post treatment, should it be required to meet the ever-changing feed water qualities, reducing plant risk with life of mine or industrial site.

Water treatment operations, maintenance and technical service

With a 27-year track-record, we operate on a 24/7 basis for more than 250 water facilities, treating or recycling approximately 350Ml/day of water and 221Ml/day of effluent across Africa. The critical nature of such installations requires high plant availability, technical support to remote sites and performance skills transfer and development of local staff. Our proven management systems comply with ISO 9001, ISO 14001 and ISO 18001 standards.

Engineering services for optimisation and upgrade

PROXA offers a full range of complementary professional engineering services: feasibility studies, process development, modelling and optimisation, bench scale testing, on-site pilot studies, concept to detailed engineering design, project and construction management and execution as well as commissioning services, enabling a smooth transition to operations. Our independence from technology suppliers fully aligns us with our clients as we will custom-engineer adapted and optimised solutions to unique feed water challenges.

Research and development

PROXA’s Paarl-based R&D Centre is fully equipped, with bench scale and skid-mounted pilot plants testing on or off-site unit operations to enhance confidence in process selection and performance. Tests include physio-chemical, membrane biological and thermal processes, resin and adsorption technology, and electro-chemical unit operations, to name a few. Our R&D continuous improvement drive is nourished by the ongoing feedback of our online QTRAK system and from our highly-skilled operations and maintenance personnel.

Zero liquid discharge and brine treatment solutions

PROXA leads in zero liquid discharge (ZLD), an effluent treatment using thermal and non-thermal processes:

  • More than 99% ultra-high water recovery on acid mine drainage through membrane processes
  • Evaporation / crystallisation design and salt recovery systems
  • Commercial scale low-temperature salt recovery systems from mixed brines (freeze desalination)
  • Regulatory interaction and assisting clients with environmental approval processes
  • Operation and maintenance, including logistics for materials, salt and chemicals movement

Company information

Since 1986, through focused R&D, PROXA has implemented innovative solutions to treat challenging effluents, recover water and minimise long-term legacy risks for the benefit of our mining and industrial clients.

PROXA offers a full range of services, from consulting through detailed design, to construction, commissioning, on-going operation, maintenance, consumables and spares supply – in short: total water capability.

With a strong focus on the mining and resources sectors in Africa, the Middle East and Australia and with 450 dedicated people, PROXA is known for high-recovery water treatment plants and ZLD solutions. PROXA has two main offices in Johannesburg and Cape Town in South Africa, regional offices throughout southern Africa, and an office in Adelaide, Australia.

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Press Release

Don’t Let the Drought Dry up Your Production

The current drought in South Africa has forced many companies to reduce production or accept risk on equipment due to water shortages or poor quality feed water.

White Papers

Get the Best Out of Your Water Treatment Assets with PROXA

PROXA provides integrated water treatment solutions to the mining sector. This white paper outlines some of its key capabilities.

Address
Proxa (Pty) Ltd

No.1 Zandwyk Park

Old Paarl Road

Paarl

7646

South Africa

+27 21 872 0089 +27 86 696 2154 www.proxawater.com

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White Papers

PROXA Contracted to Design and Construct a Filtration System

PROXA was contracted by TRONOX to develop, design, construct and commission a filtration system to prevent slimes build-up in the Wet Gravity Circuit.

7 September 2014

PROXA Contracted to Provide Mine Irrigation and Drinking Water

Samancor Western Chrome Mines contracted PROXA for the installation of a water treatment plant for the production of irrigation water from underground mine water. The requirement was to treat the contaminated underground mine water to irrigation standard. Click to read the flyer for more information.

31 August 2014

PROXA Case Study: Producing Ghana EPA Discharge Quality Water

AngloGold Ashanti, Ghana, contracted PROXA for the installation of a water treatment plant for the production of Ghana EPA river discharge quality water. Download the case study for to read further.

24 August 2014

PROXA Case Study: Groundwater Remediation

PROXA specialises in advanced water treatment and with more than 20 years' experience, we have extensive know-how in designing state-of-the-art water treatment systems. Download the flyer for more information about PROXA groundwater remediation.

17 August 2014

PROXA Case Study: Acid Mine Water Treatment to Meet Environmental Discharge Specification

PROXA brings highly effective water treatment services to you, wherever and whenever required. Download the free flyer for information about how PROXA helped Anglo Thermal Coal Greenside Colliery treat excess underground mine water in order to ensure continued access to resources.

10 August 2014

PROXA is Holding an Advanced Water Treatment Workshop This Month

Join PROXA on 21 May 2014 at the Protea Hotel, O.R. Tambo Airport, Johannesburg, for another thought provoking, future focused technical workshop.

2 May 2014

Get the Best Out of Your Water Treatment Assets with PROXA

PROXA provides integrated water treatment solutions to the mining sector. This white paper outlines some of its key capabilities.

2 October 2013

Africa Barrick Gold – Tanzania

At the African Barrick Gold (ABG), North Mara Mine in the Mara region of Tanzania the client required an experienced team to operate a newly constructed water treatment plant.

2 September 2013

Glencore Shanduka Graspan Colliery – Underground Mine Water to Environmental Discharge Specification Zero Liquid Discharge Plant

PROXA specialises in advanced water treatment and with more than 20 years' experience, we have extensive know-how in designing state-of-the-art water treatment systems.

Anglo Coal New Vaal – Mine Water to Cooling Tower Make-up

Proxa brings highly effective water treatment services to you - wherever and whenever you require them.

Press Release

2 November 2015

The current drought in South Africa has forced many companies to reduce production or accept risk on equipment due to water shortages or poor quality feed water.

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26 January 2015

PROXA is proud to announce the successful commissioning and performance testing of the modular mine water treatment plant at Anglo American Greenside CollIery.

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6 October 2014

PROXA has now recorded two million man hours worked without lost time injury (LTI) in its entire operations across the southern hemisphere.

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19 August 2014

In 2012 Canadian metals company Largo Resources began work on its flagship project, the Maracas Vanadium project in Bahia, Brazil.

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3 April 2014

PROXA provides integrated water treatment and effluent solutions to the mining sector and the company is holding a workshop this month. Join the discussion on 21 May 2014 in Johannesburg, South Africa, for the latest industry news and to hear about the future of water treatment solutions.

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15 November 2013

PROXA, provider of integrated water treatment solutions, announces the acquisition of a controlling stake in Process Plant Technology (Pty) Ltd (www.pptech.co.za), a specialist supplier of evaporator, crystalliser and related mass and heat transfer technology, equipment and plant.

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17 September 2013

After the millionth hour milestone crossed in November 2012, PROXA now records 30 consecutive months without lost time injury (LTI) in its entire operations with a total of 1.5 million man hours worked at the end of July 2013.

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Regional Offices

Proxa (Pty) Ltd

No.1 Zandwyk Park

Old Paarl Road

Paarl

7646

South Africa

+27 21 872 0089 +27 86 696 2154 www.proxawater.com

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